Mullein Leaf (Verbascum thapsus fol): The Premier Lung Herb

Mullein Leaf — the large, soft, felted leaves of Verbascum thapsus — is widely regarded among Western herbalists as one of the most important and reliable respiratory herbs available. Its combination of mucilaginous soothing, saponin-driven expectorant action, and gentle anti-inflammatory properties makes it suited to nearly every type of cough and bronchial condition — from the dry, irritating cough of early bronchitis to the productive, mucus-laden cough of chronic chest conditions.

At Herba Naturalle, Mullein Leaf is listed in the comprehensive herb index and forms part of the clinical respiratory work embodied in the Lungwort Plus formulation — directly aligned with Stop the Inflammation Pandemic: Breathe Easy.

Active Compounds

Mucilage (3%) — soothing demulcent action throughout the respiratory tract
Saponins — verbascosaponin; expectorant action — loosening bronchial mucus
Iridoid glycosides — aucubin and catalpol; anti-inflammatory and antiviral
Flavonoids — verbascoside, hesperidin, and luteolin glycosides; anti-inflammatory and antioxidant
Tannins — mild astringent contribution

Clinical Applications

Chronic Bronchitis and Persistent Cough

The most important application. Mullein Leaf’s combination of soothing mucilage (protecting irritated bronchial tissue) and expectorant saponins (loosening and mobilising mucus) addresses both the irritation and the congestion components of chronic respiratory conditions simultaneously. Particularly suited to:

Chronic bronchitis with persistent productive cough
Dry, hacking, irritating coughs
The lingering cough that follows acute respiratory infection

Asthma Support

The anti-inflammatory and mild antispasmodic action makes Mullein Leaf a useful supportive herb in asthma management, alongside conventional treatment. The Smooth Muscle and Immune Reset Bundle addresses the underlying airway smooth muscle inflammation.

Whooping Cough and Croup

Traditional use for spasmodic, paroxysmal coughs in children — the soothing and mildly antispasmodic action provides relief during the most distressing coughing episodes.

Respiratory Infections

The iridoid glycosides have documented antiviral activity, complementing the symptomatic relief Mullein provides during respiratory infections.

Relevant Blog Posts

How to Use

Tea: 2g dried leaf steeped 10 minutes; always strain thoroughly through a fine cloth (the fine hairs are irritating if ingested)
Tincture (1:3): 3–5ml three times daily
Lungwort Plus: Combines Mullein-type respiratory support with complementary respiratory herbs

Safety

Excellent safety profile
Filtration is important: Always strain teas carefully due to the fine leaf hairs
Pregnancy: Generally considered safe at standard doses

Contact Herba Naturalle for respiratory herbal support. Browse all products and the full herb index.

This article is for informational purposes only. Please consult a qualified medical herbalist before use.